Rear housing portion of a telephone handset



FIG. 1 is a rear plan view showing my new design;

FIG. 2 is a top, rear and left side perspective view thereof; and,

FIG. 3 is a top, rear and right side perspective view thereof.

The broken lines showing of the telephone handset is for illustrativepurposes only and forms no part of the claimed design.

The ornamental design of a rear housing portion of a telephone handset,as shown and described.